8
Front VGA DB-15 connector
Used to attach a VGA-compatible video device, such as a VGA monitor.
Intelligent Diagnostics Module
This topic provides information about the Intelligent Diagnostics Module (hereinafter referred to as IDM) and
the diagnostic LEDs on the module. Many errors are first indicated by a lit error LED on the diagnostic panel
of the server. If an LED is lit, one or more LEDs elsewhere in the server might also be lit to direct you to the
source of the error. See “System board LEDs” on page 46.
The following illustration shows the location of the IDM and the diagnostic LEDs on the IDM panel.
Depending on the model, your server might look slightly different from the illustration in this topic.
CPU
Mem
PSU
ID
CPU
Mem
PSU
Figure 12. IDM panel
• When the power supply error LED or system fan error LED is off, it indicates that the power supply or
system fan is working correctly. When the ambient temperature limit LED, memory module status LED,
or microprocessor status LED is off, it indicates that the server, memory module, or microprocessor
is operating at a normal temperature.
• When one error LED is lit in amber, it indicates potential errors. Check the information in the following
table for potential errors and corresponding solutions.
LED
Status
Potential error
Solution
1
Power supply error
LED
Solid on (amber)
The power supply is likely to fail
or has failed.
Check the BMC for errors and
run the diagnostic programs.
See “Lenovo ThinkServer
Diagnostics” on page 13.
Note:
To identify the failing power
supply, check the status LED
near the power cord connector
on the redundant power supply.
2
Ambient temperature
limit LED
Solid on (amber)
The ambient temperature is below
7°C (44.6°F) or over 40°C (104°F).
Check the BMC for errors and
run the diagnostic programs.
See “Lenovo ThinkServer
Diagnostics” on page 13.
22
ThinkServer RD340 User Guide and Hardware Maintenance Manual
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